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三爪自定心卡盘为K11、K11A二种型号。K11型配带正爪和反爪各一副，可分别使用，K11型配带符合ISO3442标准的分离爪。并可根据用户提供软卡爪，经随机配车（磨）后可获得较高定心精度，满足夹持要求。
| Model | D1 | D2 | D3 | H | H1 | H2 | h | Z-d |
| Size D | ||||||||
| K1180 | 55 | 66 | 16 | 66 | 50 | - | 3.5 | 3-M6 |
| K11100 | 72 | 84 | 22 | 74.5 | 55 | - | 3.5 | 3-M8 |
| K11125 | 95 | 108 | 30 | 84 | 58 | - | 4 | 3-M8 |
| K11130 | 100 | 115 | 30 | 86 | 58 | - | 4 | 3-M8 |
| K11160 | 130 | 142 | 40 | 95 | 65 | - | 5 | 3-M8 |
| K11160A | 142 | 40 | 109 | 65 | 71 | 5 | 3-M8 | |
| K11165 | 130 | 145 | 40 | 95 | 65 | - | 5 | 3-M8 |
| K11165A | 145 | 40 | 109 | 65 | 71 | 5 | 3-M8 | |
| K11190 | 155 | 172 | 55 | 109 | 75 | - | 5 | 3-M8 |
| K11190A | 172 | 55 | 122 | 75 | 80 | 5 | 3-M8 | |
| K11200 | 165 | 180 | 65 | 109 | 75 | - | 5 | 3-M8 |
| K11200A | 180 | 65 | 122 | 75 | 80 | 5 | 3-M8 | |
| K11240 | 195 | 215 | 70 | 120 | 80 | - | 8 | 3-M8 |
| K11240A | 215 | 70 | 133 | 80 | 85 | 8 | 3-M8 | |
| K11250 | 206 | 226 | 80 | 120 | 80 | - | 5 | 3-M8 |
| K11250A | 226 | 80 | 133 | 80 | 85 | 5 | 3-M8 | |
| K11315 | 260 | 285 | 100 | 142.5 | 90 | - | 5 | 3-M8 |
| K11315A | 285 | 100 | 155.5 | 90 | 96.5 | 5 | 3-M8 | |
| K11320 | 270 | 290 | 100 | 142.5 | 90 | - | 5 | 3-M8 |
| K11320A | 290 | 100 | 155.5 | 90 | 96.5 | 6 | 3-M16 | |
| K11325 | 272 | 296 | 100 | 142.5 | 90 | - | 6 | 3-M16 |
| K11325A | 296 | 100 | 155.5 | 90 | 96.5 | 6 | 3-M16 | |
| K11380 | 325 | 350 | 130 | 155.5 | 100 | - | 6 | 3-M16 |
| K11380A | 350 | 130 | 170.5 | 100 | 110.5 | 6 | 3-M16 | |
| K11400 | 340 | 368 | 130 | 155.5 | 100 | - | 6 | 3-M16 |
| K11400A | 368 | 130 | 170.5 | 100 | 110.5 | 6 | 3-M16 | |
| K11500 | 440 | 465 | 200 | 176 | 115 | - | 6 | 6-M16 |
| K11500A | 465 | 200 | 203 | 115 | 123 | 6 | 6-M16 | |
| K11630A | 560 | 595 | 260 | 218 | 130 | 138 | 7 | 6-M16 |
| K11800A | 710 | 760 | 385 | 242 | 149 | 159 | 8 | 6-M20 |
| K11 1000A | 910 | 950 | 460 | 266 | 165 | - | 8 | 6-M24 |
| K11 1250A | 910 | 950 | 500 | 281 | 180 | - | 10 | 6-M24 |
